Stefan Viktor Klek, MD
Family Medicine Physician · Washington, PA
Stefan Viktor Klek, MD is a family medicine physician with a practice address in Washington, Pennsylvania, and NPI 1235985110, issued on Apr 30, 2024. Check the license (Pennsylvania MT230818, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Stefan Viktor Klek
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MT230818 PA
Self-reported in NPPES; status is on the state search - Practice location
- 95 Leonard Ave Bldg 22ND, Washington, PA 15301
- Phone
- (724) 223-3100
- Enumerated
- Apr 30, 2024
- Record last updated
- Apr 30, 2024
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 7,483 in Pennsylvania → Look up another NPI →
Also registered at 95 Leonard Ave Bldg 22ND
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Stefan Viktor Klek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MT230818Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average family medicine physician in 2024
190 Medicare Part D claims for 43 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Eliquis12 claims
- Rosuvastatin Calcium12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Stefan Viktor Klek among 7,483 family medicine physician records in Pennsylvania
Stefan Viktor Klek, MD is one of 7,483 family medicine physician records with a practice address in Pennsylvania. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 95% of them.
- NPI issued2024 · 95% of these records are older, 3% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2024 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
81 family medicine physician records list a practice address in Washington
They are 81 of the 1,019 NPPES records with a practice address in Washington, and 7,483 family medicine physician records in Pennsylvania.
All 7,483 in Pennsylvania → Every provider in Washington → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Richard Aprea, MDWashington, PA 153011497719629
- Paul Cullen, MDWashington, PA 153011265491229
- Dennis Davis, M.D.Washington, PA 153011558341826
- Craig Fox, M.DWashington, PA 153011194701821
- Nicholas Fuerst, M.D.Washington, PA 153011548239429
- Daniel Holt, M.D.Washington, PA 153011922003375
- Dennis Kitsko, D.O.Washington, PA 153011134198021
- Jeffrey Minteer, MDWashington, PA 153011801865001
Common questions
What is Stefan Viktor Klek, MD's NPI number?
Stefan Viktor Klek, MD's National Provider Identifier (NPI) is 1235985110, issued on Apr 30, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Stefan Viktor Klek, MD located?
The NPPES record lists a practice address at 95 Leonard Ave Bldg 22ND, Washington, PA, 15301. Phone: (724) 223-3100. Providers update this record themselves, so call before visiting.
How can I verify Stefan Viktor Klek, MD's license?
NPPES lists Pennsylvania license number MT230818, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Stefan Viktor Klek, MD prescribe under Medicare Part D?
In 2024, Stefan Viktor Klek, MD had 190 Medicare Part D claims for 43 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.